Difference between revisions of "2013 AMC 12A Problems/Problem 7"
Epicwisdom (talk | contribs) (Created page with "<math>S_9 = 110</math>, <math>S_7 = 42</math> <math>S_8 = S_9 - S_ 7 = 110 - 42 = 68</math> <math>S_6 = S_8 - S_7 = 68 - 42 = 26</math> <math>S_5 = S_7 - S_6 = 42 - 26 = 16</m...") |
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Revision as of 22:46, 6 February 2013
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